Home / 89,799.78-123,924.53-49,514.99

Finding the Fourth Proportional to 89,799.78, 123,924.53 and 49,514.99

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Solution

The fourth proportional to 89,799.78, 123,924.53 and 49,514.99 is: 68,331.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,799.78 : 123,924.53 = 49,514.99 : x
  2. Step 2: Convert to fraction form
    89,799.78/123,924.53 = 49,514.99/x
  3. Step 3: Cross multiply
    89,799.78x = 123,924.53 × 49,514.99
  4. Step 4: Simplify right side
    89,799.78x = 6,136,121,367.87
  5. Step 5: Solve for x
    x = 6,136,121,367.87/89,799.78
  6. Step 6: Final answer
    x = 68,331.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.